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Conference nlfdc::linux-users

Title:Linux, the Free Operating System
Notice:New here? Sign in on topic 2
Moderator:EST::DEEGAN
Created:Fri Feb 11 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:609
Total number of notes:2862

592.0. "Setting up gateway, home LAN -> ISP" by CSC32::T_SULLIVAN () Wed Apr 16 1997 23:23

	I'm wondering if anyone in this conference has experience with
	setting up a Linux based gateway between a non-public LAN and an
	ISP using PPP (over an internal serial modem) and dhcpd.  Any
	help/pointers would be much appreciated.

	Thanks in advance,

	tim
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592.1should have been, dhcpcd NOT dhcpdCSC32::T_SULLIVANWed Apr 16 1997 23:367
    
    >>> I'm wondering if anyone in this conference has experience with
    >>> setting up a Linux based gateway between a non-public LAN and an
    >>> ISP using PPP (over an internal serial modem) and dhcpd.
                                                          ^^^^^ dhcpcd
    
    	Sorry for any confusion.. -tim
592.2FAQNEWVAX::PAVLICEKUpgrade your PC: Install LinuxThu Apr 17 1997 04:428
    Well, I can't offer any help, but there is a generic DHCP FAQ at the
    URL below:
    
    	http://ledoux.arbld.unimelb.edu.au/~agoon/windows/dhcp.html
    
    Maybe it well help somewhat.
    
    -- Russ
592.3IP Masquerading6803::GIBSONThu Apr 17 1997 15:2515
    
    I am currently setting this up myself.  What you are looking for is a
    new (experimental) feature called IP Masquerading.  Here is a pointer
    to a FAQ on it.
    
    http://www.wwonline.com/~achau/ipmasq/
    
    Basically, you can act as a gateway for a LAN to the internet via your
    ISP.  One it is set-up in Linux, any user on your LAN, whether they are
    running Win3.1x, Win95, WinNT, Linux or even MacOS (cringe) can use
    your connection.  
    
    Hope this helps.
    
    Patrick
592.4IPmasquerade results - it works.LORRIN::LEETue Apr 29 1997 17:5330
    
    	Hello,
    
    	I have recently set up a gateway/firewall/IPmasquerade linux system
    	between a private lan (a training classroom), and the public Easynet.
    	Since I am a relative newcomer to Unix/Linux, I spent a lot of time
    	getting both ethernet controllers to work and the kernel recompiled
    	to support IP masquerading. Once everything was configured, I was
    	amazed at how well it works. I tested Netscape, FTP, Exchange mail,
    	Telnet, DNS, and even used file shares on pc's through the linux box.
    	All were masqueraded as originating from the registered Linux
    	system. I have the system configured to dual-boot Linux and Windows
    	95, and have tested the network through-put with the same network
    	cards by using ftp to copy the same files from the same system when
    	booted under Windows 95 and Linux. Linux consistently copies almost
    	twice the number of bytes per second as Windows 95. I used the 
    	modified FTP code that supports ipmasquerading, I'll get around
    	to setting up the modified ping stuff later, so that I can ping 
    	public nodes through the gateway. The ipmasquerade stuff will
    	work with an internet service provider also, some small companies
    	are using it to put their whole company on the internet via a 
    	dial-up line. FYI- When the kernel is not configured to support
    	IPmasquerade, the man pages will show the "m" parameter on
    	the firewall commands, but you will get an error message something
    	like "invalid parameter" when ever you add the "m" qualifier for
    	masquerading.
    
    	Note: This was using two ethernet cards, not dial-in via ppp.
    	
    						Lorrin Lee